MODELING OF ASPHALTENE PRECIPITATION USING SRK-EOS AND INVESTIGATING THE EFFECT OF GAS INJECTION ON IT

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SOROUSH SAMANEH; VAFAEI SEFTI M.; MASOUDI RAHIM

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Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2008 | Volume:27 | Issue:3 Page(s): 25-39

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Title

MODELING OF ASPHALTENE PRECIPITATION USING SRK-EOS AND INVESTIGATING THE EFFECT OF GAS INJECTION ON IT

Author(s)

SOROUSH SAMANEH | VAFAEI SEFTI M. | MASOUDI RAHIM | Issue Writer Certificate

Keywords

ASPHALTENEQ2

SRK EQUATION OF STATEQ3

THERMODYNAMIC CONDITIONQ3

ONSETQ3

Abstract

One of the most important problems of the oil industry with regards to extraction and storage of crude oil in surface vessels and the transport of crude oil and heavy hydrocarbon materials is the formation of heavy organics (ASPHALTENE and wax) followed by establishment of deposits in oil structures and pipelines. Due to the need of prediction of the ASPHALTENE precipitation, taking into account the thermodynamic phenomena of precipitate is necessary. Accordingly the effort in this project is to develop and represent a model which is not only able to predict the phase behavior of reservoir fluids but also is able to predict the content and ONSET of ASPHALTENE precipitation. SRK EQUATION OF STATE is used to predict the amount and ONSET of ASPHALTENE precipitation. In developed model ASPHALTENE phase is assumed as a solid phase and VLE two phase equilibria is used to determine the bubble point while LSE two phase equilibria as well as VLSE three phase equilibria are used to determine the ONSET of ASPHALTENE precipitation in different temperature. Splitting the heavy plus fraction of oil into single carbon number groups is based on gamma distribution function and the properties of these components are calculated. The developed model is able to predict the condition of ASPHALTENE precipitation in various situations such as temperature, pressure and different compositions and also gas injection. The results of this model with acceptable error are comparable to laboratory data.

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APA: Copy

SOROUSH, SAMANEH, VAFAEI SEFTI, M., & MASOUDI, RAHIM. (2008). MODELING OF ASPHALTENE PRECIPITATION USING SRK-EOS AND INVESTIGATING THE EFFECT OF GAS INJECTION ON IT. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 27(3), 25-39. SID. https://sid.ir/paper/26137/en

Vancouver: Copy

SOROUSH SAMANEH, VAFAEI SEFTI M., MASOUDI RAHIM. MODELING OF ASPHALTENE PRECIPITATION USING SRK-EOS AND INVESTIGATING THE EFFECT OF GAS INJECTION ON IT. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2008;27(3):25-39. Available from: https://sid.ir/paper/26137/en

IEEE: Copy

SAMANEH SOROUSH, M. VAFAEI SEFTI, and RAHIM MASOUDI, “MODELING OF ASPHALTENE PRECIPITATION USING SRK-EOS AND INVESTIGATING THE EFFECT OF GAS INJECTION ON IT,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 27, no. 3, pp. 25–39, 2008, [Online]. Available: https://sid.ir/paper/26137/en

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